RFC9921 · CBOR Object Signing and Encryption (COSE) Header Parameter for Timestamp Tokens as Defined in RFC 3161

{
  "id": "RFC9921",
  "number": 9921,
  "title_en": "CBOR Object Signing and Encryption (COSE) Header Parameter for Timestamp Tokens as Defined in RFC 3161",
  "title_ru": "",
  "summary_ru": "",
  "purpose_ru": "",
  "use_ru": "",
  "full_translation_path": "",
  "full_translation_checked_at": "",
  "full_translation_source_sha256": "",
  "architect_note_ru": "",
  "topics_ru": [],
  "translation_state": "not_prepared",
  "verification_level": "not_prepared",
  "verification_level_ru": "Русская выжимка не подготовлена",
  "verification_note_ru": "",
  "abstract_en": "This document defines two CBOR Object Signing and Encryption (COSE) header parameters for incorporating timestamping based on RFC 3161 into COSE message structures (COSE_Sign and COSE_Sign1). This enables the use of established timestamping infrastructure per RFC 3161 in COSE-based protocols.",
  "authors": [
    "H. Birkholz",
    "T. Fossati",
    "M. Riechert"
  ],
  "organizations": [],
  "publication_date": "2026-02-01",
  "current_status": "PROPOSED STANDARD",
  "current_status_ru": "Предлагаемый стандарт",
  "publication_status": "PROPOSED STANDARD",
  "publication_status_ru": "Предлагаемый стандарт",
  "lifecycle": "active",
  "lifecycle_ru": "Действующий",
  "stream": "IETF",
  "stream_ru": "IETF",
  "area": "sec",
  "area_ru": "Безопасность",
  "working_group": "cose",
  "source_draft": "draft-ietf-cose-tsa-tst-header-parameter-08",
  "page_count": 21,
  "doi": "10.17487/RFC9921",
  "keywords": [],
  "formats": [
    "HTML",
    "TXT",
    "PDF",
    "XML"
  ],
  "relations": {
    "obsoletes": [],
    "obsoleted_by": [],
    "updates": [],
    "updated_by": [],
    "is_also": [],
    "see_also": []
  },
  "links": {
    "info": "https://www.rfc-editor.org/info/rfc9921/",
    "html": "https://www.rfc-editor.org/rfc/rfc9921.html",
    "txt": "https://www.rfc-editor.org/rfc/rfc9921.txt",
    "datatracker": "https://datatracker.ietf.org/doc/rfc9921/"
  }
}